V4L/DVB (11851): patch: s2255drv: adding V4L2_MODE_HIGHQUALITY
Adding V4L2_MODE_HIGHQUALITY feature. Signed-off-by: Dean Anderson <dean@sensoray.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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1 changed files with 45 additions and 3 deletions
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@ -109,6 +109,8 @@
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#define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */
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#define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */
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#define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */
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/* SCALE_4CIFSI is the 2 fields interpolated into one */
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#define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */
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#define COLOR_YUVPL 1 /* YUV planar */
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#define COLOR_YUVPK 2 /* YUV packed */
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@ -238,6 +240,8 @@ struct s2255_dev {
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struct s2255_mode mode[MAX_CHANNELS];
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/* jpeg compression */
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struct v4l2_jpegcompression jc[MAX_CHANNELS];
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/* capture parameters (for high quality mode full size) */
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struct v4l2_captureparm cap_parm[MAX_CHANNELS];
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const struct s2255_fmt *cur_fmt[MAX_CHANNELS];
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int cur_frame[MAX_CHANNELS];
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int last_frame[MAX_CHANNELS];
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@ -1020,9 +1024,16 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
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fh->type = f->type;
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norm = norm_minw(fh->dev->vdev[fh->channel]);
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if (fh->width > norm_minw(fh->dev->vdev[fh->channel])) {
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if (fh->height > norm_minh(fh->dev->vdev[fh->channel]))
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fh->mode.scale = SCALE_4CIFS;
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else
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if (fh->height > norm_minh(fh->dev->vdev[fh->channel])) {
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if (fh->dev->cap_parm[fh->channel].capturemode &
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V4L2_MODE_HIGHQUALITY) {
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fh->mode.scale = SCALE_4CIFSI;
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dprintk(2, "scale 4CIFSI\n");
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} else {
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fh->mode.scale = SCALE_4CIFS;
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dprintk(2, "scale 4CIFS\n");
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}
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} else
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fh->mode.scale = SCALE_2CIFS;
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} else {
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@ -1123,6 +1134,7 @@ static u32 get_transfer_size(struct s2255_mode *mode)
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if (mode->format == FORMAT_NTSC) {
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switch (mode->scale) {
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case SCALE_4CIFS:
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case SCALE_4CIFSI:
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linesPerFrame = NUM_LINES_4CIFS_NTSC * 2;
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pixelsPerLine = LINE_SZ_4CIFS_NTSC;
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break;
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@ -1140,6 +1152,7 @@ static u32 get_transfer_size(struct s2255_mode *mode)
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} else if (mode->format == FORMAT_PAL) {
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switch (mode->scale) {
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case SCALE_4CIFS:
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case SCALE_4CIFSI:
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linesPerFrame = NUM_LINES_4CIFS_PAL * 2;
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pixelsPerLine = LINE_SZ_4CIFS_PAL;
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break;
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@ -1495,6 +1508,33 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv,
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dprintk(2, "setting jpeg quality %d\n", jc->quality);
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return 0;
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}
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static int vidioc_g_parm(struct file *file, void *priv,
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struct v4l2_streamparm *sp)
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{
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struct s2255_fh *fh = priv;
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struct s2255_dev *dev = fh->dev;
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if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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sp->parm.capture.capturemode = dev->cap_parm[fh->channel].capturemode;
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dprintk(2, "getting parm %d\n", sp->parm.capture.capturemode);
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return 0;
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}
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static int vidioc_s_parm(struct file *file, void *priv,
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struct v4l2_streamparm *sp)
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{
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struct s2255_fh *fh = priv;
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struct s2255_dev *dev = fh->dev;
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if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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dev->cap_parm[fh->channel].capturemode = sp->parm.capture.capturemode;
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dprintk(2, "setting param capture mode %d\n",
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sp->parm.capture.capturemode);
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return 0;
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}
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static int s2255_open(struct file *file)
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{
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int minor = video_devdata(file)->minor;
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@ -1786,6 +1826,8 @@ static const struct v4l2_ioctl_ops s2255_ioctl_ops = {
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#endif
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.vidioc_s_jpegcomp = vidioc_s_jpegcomp,
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.vidioc_g_jpegcomp = vidioc_g_jpegcomp,
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.vidioc_s_parm = vidioc_s_parm,
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.vidioc_g_parm = vidioc_g_parm,
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};
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static struct video_device template = {
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